Home / 215,633,999.60-323,450,999.40-192,343,324.40

Finding the Fourth Proportional to 215,633,999.60, 323,450,999.40 and 192,343,324.40

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Solution

The fourth proportional to 215,633,999.60, 323,450,999.40 and 192,343,324.40 is: 288,514,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,633,999.60 : 323,450,999.40 = 192,343,324.40 : x
  2. Step 2: Convert to fraction form
    215,633,999.60/323,450,999.40 = 192,343,324.40/x
  3. Step 3: Cross multiply
    215,633,999.60x = 323,450,999.40 × 192,343,324.40
  4. Step 4: Simplify right side
    215,633,999.60x = 62,213,640,505,098,400
  5. Step 5: Solve for x
    x = 62,213,640,505,098,400/215,633,999.60
  6. Step 6: Final answer
    x = 288,514,986.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.